nixos/openfoam: init

nixos/modules/module-list.nix

@@ -218,6 +218,7 @@
   ./programs/joycond-cemuhook.nix
   ./programs/k3b.nix
   ./programs/kde-pim.nix
+  ./programs/openfoam.nix
   ./programs/k40-whisperer.nix
   ./programs/kbdlight.nix
   ./programs/kclock.nix

nixos/modules/programs/openfoam.nix

@@ -0,0 +1,29 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+let
+  cfg = config.programs.openfoam;
+in
+{
+  meta.maintainers = with lib.maintainers; [ gusgibbon ];
+
+  options.programs.openfoam = {
+    enable = lib.mkEnableOption "The open source CFD toolkit (openfoam.org)";
+    package = lib.mkPackageOption pkgs "openfoam-org" { };
+  };
+  config = {
+    environment = lib.mkIf cfg.enable {
+      # hardcoded OpenFOAM-12 may need to be changed in the futre to accomodate for the openfoam.com fork
+      interactiveShellInit = ''
+        alias ofoam="source ${cfg.package}/opt/OpenFOAM-12/etc/bashrc"
+      '';
+      systemPackages = with pkgs; [
+        mpi
+        mpi.dev
+      ];
+    };
+  };
+}